| From: | Bruno Wolff III <bruno(at)wolff(dot)to> |
|---|---|
| To: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-patches <pgsql-patches(at)postgresql(dot)org> |
| Subject: | Re: Patch for disaster recovery |
| Date: | 2005-02-20 15:25:16 |
| Message-ID: | 20050220152516.GA23706@wolff.to |
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| Lists: | pgsql-patches |
On Sun, Feb 20, 2005 at 09:43:11 -0500,
Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> wrote:
>
> We regularly have people on IRC who delete data and then want to recover
> it. By having the define it makes it easier for us to help them without
> them having to add actual C code.
>
> Does that make sense?
You aren't going to get a consistant snapshot if you get back all of the
deleted rows. With autovacuum it is going to get harder to do this, because
accidentally making large changes in a table is going to trigger a vacuum.
It seems like the right way to do this is a recovery using the PITR
system and putting effort into making that easier is the way to go.
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